选择题 下列溶液中一定能大量共存的离子组是 ( )
A.含有大量Al3+的溶液:Na+、NH600)makesmallpic(this,600,1800);\' sr ">
时间:2016-12-27 16:53:00
选择题 下列溶液中一定能大量共存的离子组是 ( )
A.含有大量Al3+的溶液:Na+、NH600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/mytmu4hct31.png\" style=\"vertical-align:middle;\">、SO
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/xygbd0mplee.png\" style=\"vertical-align:middle;\">、Cl-
B.pH=1的溶液:Na+、K+、SO600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/xygbd0mplee.png\" style=\"vertical-align:middle;\">、CO
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/vejqwqgbs0x.png\" style=\"vertical-align:middle;\">
C.含有大来源:91考试网 www.91eXam.org量Fe3+的溶液:Na+、Mg2+、NO600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/1hdadesq34n.png\" style=\"vertical-align:middle;\">、SCN-
D.含有大量NO600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/1hdadesq34n.png\" style=\"vertical-align:middle;\">的溶液:H+、Fe2+、SO
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/xygbd0mplee.png\" style=\"vertical-align:middle;\">、Cl-
选择题 下列溶液中一定能大量共存的离子组是 & #160;( )
A.含有大量Al3+的溶液:Na+、NH600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/mytmu4hct31.png\" style=\"vertical-align:middle;\">、SO
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/xygbd0mplee.png\" style=\"vertical-align:middle;\">、Cl-
B.pH=1的溶液:Na+、K+、SO600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/xygbd0mplee.png\" style=\"vertical-align:middle;\">、CO
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/vejqwqgbs0x.png\" style=\"vertical-align:middle;\">
C.含有大量Fe3+的溶液:Na+、Mg2+、NO600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/1hdadesq34n.png\" style=\"vertical-align:middle;\">、SCN-
D.含有大量NO600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/1hdadesq34n.png\" style=\"vertical-align:middle;\">的溶液:H+、Fe2+、SO
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/xygbd0mplee.png\" style=\"vertical-align:middle;\">、Cl-
本题答案:A
本题解析:A正确,一定能大量共存;B错,pH=1的溶液为酸性溶液,CO600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/vejqwqgbs0x.png\" style=\"vertical-align:middle;\">在酸性溶液中不能共存;C错,、SCN-与Fe3+不能共存;D错,H+、Fe2+与NO
600)makesmallpic(this,600,1800);\' src=\"http://www_php168_com/91files/2016060704/1hdadesq34n.png\" style=\"vertical-align:middle;\">的溶液不能共存,会发生氧化还原反应;
本题所属考点:【离子共存】
本题难易程度:【一般】